Search a number
-
+
38659310427905 = 5641106311347307
BaseRepresentation
bin10001100101001000100100…
…11101110001111100000001
312001212210102210222010111122
420302210102131301330001
520031343231432143110
6214115501513522025
711100020515521056
oct1062442235617401
9161783383863448
1038659310427905
1111355359988152
124404524a13315
1318757325bcc5b
14979198d4102d
1547093d9ec255
hex232912771f01

38659310427905 has 16 divisors (see below), whose sum is σ = 46507259562624. Its totient is φ = 30850147768320.

The previous prime is 38659310427853. The next prime is 38659310427931. The reversal of 38659310427905 is 50972401395683.

It is not a de Polignac number, because 38659310427905 - 212 = 38659310423809 is a prime.

It is a super-3 number, since 3×386593104279053 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266739 + ... + 9080568.

It is an arithmetic number, because the mean of its divisors is an integer number (2906703722664).

It is a 1-persistent number, because it is pandigital, but 2⋅38659310427905 = 77318620855810 is not.

Almost surely, 238659310427905 is an apocalyptic number.

It is an amenable number.

38659310427905 is a deficient number, since it is larger than the sum of its proper divisors (7847949134719).

38659310427905 is a wasteful number, since it uses less digits than its factorization.

38659310427905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349016.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 38659310427905 in words is "thirty-eight trillion, six hundred fifty-nine billion, three hundred ten million, four hundred twenty-seven thousand, nine hundred five".

Divisors: 1 5 641 1063 3205 5315 681383 3406915 11347307 56736535 7273623787 12062187341 36368118935 60310936705 7731862085581 38659310427905